Hook up plumbing for minification/magnification filters.

cc/output/ca_layer_overlay.cc

Index: cc/output/ca_layer_overlay.cc
diff --git a/cc/output/ca_layer_overlay.cc b/cc/output/ca_layer_overlay.cc
index 2dd235343037376119ca11f9746189e7ef65545c..932e183000f6c14c234b9d12b26a26a7dc883f55 100644
--- a/cc/output/ca_layer_overlay.cc
+++ b/cc/output/ca_layer_overlay.cc
@@ -101,6 +101,7 @@ CALayerResult FromTextureQuad(ResourceProvider* resource_provider,
       return CA_LAYER_FAILED_UNKNOWN;
   }
   ca_layer_overlay->opacity *= quad->vertex_opacity[0];
+  ca_layer_overlay->filter = quad->nearest_neighbor ? GL_NEAREST : GL_LINEAR;
   return CA_LAYER_SUCCESS;
 }
 
@@ -191,7 +192,7 @@ CALayerResult FromDrawQuad(ResourceProvider* resource_provider,
 
 }  // namespace
 
-CALayerOverlay::CALayerOverlay() {}
+CALayerOverlay::CALayerOverlay() : filter(GL_LINEAR) {}
 
 CALayerOverlay::CALayerOverlay(const CALayerOverlay& other) = default;